4 Generation Circle Diagram: |
| Johanna van de Graaff Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Stinus Louwrens < Johanna Louwrens |
| Stinus Louwrens Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Johanna van de Graaff < Johanna Louwrens |
| Johanna Louwrens Pedigree Tree Pedigree Map Descendancy Chart Ancestry Chart Compact Chart Circle Diagram Hourglass Chart Interactive Tree Roelof de Kruijff < Gerdina Peternella de Kruijff |